ftp.nice.ch/pub/next/unix/calendars/remind.3.0.13.N.bs.tar.gz#/remind-3.0.13/dosubst.c

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/***************************************************************/
/*                                                             */
/*  DOSUBST.C                                                  */
/*                                                             */
/*  This performs all the "%" substitution functions when      */
/*  reminders are triggered.                                   */
/*                                                             */
/*  This file is part of REMIND.                               */
/*  Copyright (C) 1992, 1993, 1994 by David F. Skoll.          */
/*                                                             */
/***************************************************************/
#define L_IN_DOSUBST
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "globals.h"
#include "err.h"
#include "types.h"
#include "protos.h"

#define UPPER(c) (islower(c) ? toupper(c) : c)
#define ABS(x) ( (x) < 0 ? -(x) : (x) )
#ifndef NL
#define NL "\n"
#endif

static char TODAY[] = L_TODAY;
static char TOMORROW[] = L_TOMORROW;

/***************************************************************/
/*                                                             */
/*  DoSubst                                                    */
/*                                                             */
/*  Process the % escapes in the reminder.  If                 */
/*  mode==NORMAL_MODE, ignore the %" sequence.  If             */
/*  mode==CAL_MODE, process the %" sequence.                   */
/*                                                             */
/***************************************************************/
#ifdef HAVE_PROTOS
PUBLIC int DoSubst(ParsePtr p, char *out, Trigger *t, TimeTrig *tt, int jul, int mode)
#else
int DoSubst(p, out, t, tt, jul, mode)
ParsePtr p;
char *out;
Trigger *t;
TimeTrig *tt;
int jul, mode;
#endif
{
   int diff = jul - JulianToday;
   int curtime = SystemTime(0) / 60;
   int err, done;
   int c;
   int d, m, y;
   int tim = tt->ttime;
   int h, min, hh, ch, cmin, chh;
   char *pm, *cpm;
   int tdiff, adiff, mdiff, hdiff;
   char *mplu, *hplu, *when, *plu;
   int has_quote = 0;
   char *s = out;
   char *os;

   FromJulian(jul, &y, &m, &d);

   if (tim == NO_TIME) tim = curtime;
   tdiff = tim - curtime;
   adiff = ABS(tdiff);
   mdiff = adiff % 60;
   hdiff = adiff / 60;
   mplu = (mdiff == 1 ? "" : L_MPLU);
   hplu = (hdiff == 1 ? "" : L_HPLU);
   when = (tdiff < 0 ? L_AGO : L_FROMNOW);
   
   h = tim / 60;
   min = tim % 60;

#ifdef L_AMPM_OVERRIDE
   L_AMPM_OVERRIDE (pm, h)
#else
   pm = (h < 12) ? L_AM : L_PM;
#endif
   hh = (h == 12) ? 12 : h % 12;
   
   ch = curtime / 60;
   cmin = curtime % 60;

#ifdef L_AMPM_OVERRIDE
   L_AMPM_OVERRIDE (cpm, ch)
#else
   cpm = (ch < 12) ? L_AM : L_PM;
#endif
   chh = (ch == 12) ? 12 : ch % 12;

#ifdef L_ORDINAL_OVERRIDE
L_ORDINAL_OVERRIDE
#else
   switch(d) {
      case 1:
      case 21:
      case 31: plu = "st"; break;
      
      case 2:
      case 22: plu = "nd"; break;
      
      case 3:
      case 23: plu = "rd"; break;
      
      default: plu = "th"; break;
   }
#endif      
   
   while(1) {
      c = ParseChar(p, &err, 0);
      if (err) return err;
      if (c == '\n') continue;
      if (!c) {
         if (mode != CAL_MODE && t->typ != RUN_TYPE && !MsgCommand)
	    *s++ = '\n';
	 *s++ = 0;
	 break;
      }
      if (c != '%') {
         *s++ = c;
	 continue;
      }
      c = ParseChar(p, &err, 0);
      if (err) return err;
      if (!c) {
	 *s++ = 0;
	 break;
      }
      os = s;
      done = 0;
      if (diff <= 1) {
         switch(UPPER(c)) {
#ifndef L_NOTOMORROW_A
            case 'A':
#endif
#ifndef L_NOTOMORROW_B
            case 'B':
#endif
#ifndef L_NOTOMORROW_C
	    case 'C':
#endif
#ifndef L_NOTOMORROW_E
	    case 'E':
#endif
#ifndef L_NOTOMORROW_F
	    case 'F':
#endif
#ifndef L_NOTOMORROW_G
	    case 'G':
#endif
#ifndef L_NOTOMORROW_H
	    case 'H':
#endif
#ifndef L_NOTOMORROW_I
	    case 'I':
#endif
#ifndef L_NOTOMORROW_J
	    case 'J':
#endif
#ifndef L_NOTOMORROW_K
	    case 'K':
#endif
#ifndef L_NOTOMORROW_L
	    case 'L':
#endif
#ifndef L_NOTOMORROW_U
	    case 'U':
#endif
#ifndef L_NOTOMORROW_V
	    case 'V':
#endif
	                 sprintf(s, "%s", (diff ? TOMORROW : TODAY));
		         s += strlen(s);
		         done = 1;
 		         break;
		     
            default: done = 0;
         }
      }
     
      if (!done) switch(UPPER(c)) {
         case 'A':
#ifdef L_A_OVER
L_A_OVER
#else	 
            sprintf(s, "%s %s, %d %s, %d", L_ON, DayName[jul%7], d,
		    MonthName[m], y);
#endif
            s += strlen(s);
	    break;
	       
	 case 'B':
#ifdef L_B_OVER
L_B_OVER
#else	 
            sprintf(s, L_INXDAYS, diff);
#endif
	    s += strlen(s);
            break;
	       
	 case 'C':
#ifdef L_C_OVER
L_C_OVER
#else	 
	    sprintf(s, "%s %s", L_ON, DayName[jul%7]);
#endif
	    s += strlen(s);
	    break;

	 case 'D':
#ifdef L_D_OVER
L_D_OVER
#else	 
	    sprintf(s, "%d", d);
#endif
	    s += strlen(s);
	    break;

	 case 'E':
#ifdef L_E_OVER
L_E_OVER
#else	 
	    sprintf(s, "%s %02d%c%02d%c%04d", L_ON, d, DATESEP,
		    m+1, DATESEP, y);
#endif
	    s += strlen(s);
	    break;

	 case 'F':
#ifdef L_F_OVER
L_F_OVER
#else	 
	    sprintf(s, "%s %02d%c%02d%c%04d", L_ON, m+1, DATESEP, d, DATESEP, y);
#endif
	    s += strlen(s);
	    break;

	 case 'G':
#ifdef L_G_OVER
L_G_OVER
#else	 
	    sprintf(s, "%s %s, %d %s", L_ON, DayName[jul%7], d, MonthName[m]);
#endif
	    s += strlen(s);
	    break;

	 case 'H':
#ifdef L_H_OVER
L_H_OVER
#else	 
	    sprintf(s, "%s %02d%c%02d", L_ON, d, DATESEP, m+1);
#endif
	    s += strlen(s);
	    break;

	 case 'I':
#ifdef L_I_OVER
L_I_OVER
#else	 
	    sprintf(s, "%s %02d%c%02d", L_ON, m+1, DATESEP, d);
#endif
	    s += strlen(s);
	    break;

	 case 'J':
#ifdef L_J_OVER
L_J_OVER
#else
	    sprintf(s, "%s %s, %s %d%s, %d", L_ON, DayName[jul%7],
			   MonthName[m], d, plu, y);
#endif
	    s += strlen(s);
	    break;

	 case 'K':
#ifdef L_K_OVER
L_K_OVER
#else
	    sprintf(s, "%s %s, %s %d%s", L_ON, DayName[jul%7],
			   MonthName[m], d, plu);
#endif
	    s += strlen(s);
	    break;

	 case 'L':
#ifdef L_L_OVER
L_L_OVER
#else
	    sprintf(s, "%s %04d%c%02d%c%02d", L_ON, y, DATESEP, m+1, DATESEP, d);
#endif
	    s += strlen(s);
	    break;

	 case 'M':
#ifdef L_M_OVER
L_M_OVER
#else
	    sprintf(s, "%s", MonthName[m]);
#endif
	    s += strlen(s);
	    break;

	 case 'N':
#ifdef L_N_OVER
L_N_OVER
#else
	    sprintf(s, "%d", m+1);
#endif
	    s += strlen(s);
	    break;

	 case 'O':
#ifdef L_O_OVER
L_O_OVER
#else
	    if (RealToday == JulianToday) sprintf(s, " (%s)", L_TODAY);
	    else *s = 0;
#endif
	    s += strlen(s);
	    break;

	 case 'P':
#ifdef L_P_OVER
L_P_OVER
#else
	    sprintf(s, (diff == 1 ? "" : L_PLURAL));
#endif
	    s += strlen(s);
	    break;

	 case 'Q':
#ifdef L_Q_OVER
L_Q_OVER
#else
	    sprintf(s, (diff == 1 ? "'s" : "s'"));
#endif
	    s += strlen(s);
	    break;

	 case 'R':
#ifdef L_R_OVER
L_R_OVER
#else
	    sprintf(s, "%02d", d);
#endif
	    s += strlen(s);
	    break;

	 case 'S':
#ifdef L_S_OVER
L_S_OVER
#else
	    sprintf(s, plu);
#endif
	    s += strlen(s);
	    break;

	 case 'T':
#ifdef L_T_OVER
L_T_OVER
#else
	    sprintf(s, "%02d", m+1);
#endif
	    s += strlen(s);
	    break;

	 case 'U':
#ifdef L_U_OVER
L_U_OVER
#else
	    sprintf(s, "%s %s, %d%s %s, %d", L_ON, DayName[jul%7], d,
			   plu, MonthName[m], y);
#endif
	    s += strlen(s);
	    break;

	 case 'V':
#ifdef L_V_OVER
L_V_OVER
#else
	    sprintf(s, "%s %s, %d%s %s", L_ON, DayName[jul%7], d, plu,
			   MonthName[m]);
#endif
	    s += strlen(s);
	    break;

	 case 'W':
#ifdef L_W_OVER
L_W_OVER
#else
	    sprintf(s, DayName[jul%7]);
#endif
	    s += strlen(s);
	    break;

	 case 'X':
#ifdef L_X_OVER
L_X_OVER
#else
	    sprintf(s, "%d", diff);
#endif
	    s += strlen(s);
	    break;

	 case 'Y':
#ifdef L_Y_OVER
L_Y_OVER
#else
	    sprintf(s, "%d", y);
#endif
	    s += strlen(s);
	    break;

	 case 'Z':
#ifdef L_Z_OVER
L_Z_OVER
#else
	    sprintf(s, "%d", y % 100);
#endif
	    s += strlen(s);
	    break;

	 case '1':
#ifdef L_1_OVER
L_1_OVER
#else
	    if (tdiff == 0) 
	       sprintf(s, L_NOW);
	    else if (hdiff == 0) 
	       sprintf(s, "%d %s%s %s", mdiff, L_MINUTE, mplu, when);
	    else if (mdiff == 0)
	       sprintf(s, "%d %s%s %s", hdiff, L_HOUR, hplu, when);
	    else
	       sprintf(s, "%d %s%s %s %d %s%s %s", hdiff, L_HOUR, hplu,
	                           L_AND, mdiff, L_MINUTE, mplu, when);
#endif
	    s += strlen(s);
	    break;

	 case '2':
#ifdef L_2_OVER
L_2_OVER
#else
	    sprintf(s, "%s %d%c%02d%s", L_AT, hh, TIMESEP, min, pm);
#endif
	    s += strlen(s);
	    break;

	 case '3':
#ifdef L_3_OVER
L_3_OVER
#else

	    sprintf(s, "%s %02d%c%02d", L_AT, h, TIMESEP, min);
#endif
	    s += strlen(s);
	    break;

	 case '4':
#ifdef L_4_OVER
L_4_OVER
#else
	    sprintf(s, "%d", tdiff);
#endif
	    s += strlen(s);
	    break;

	 case '5':
#ifdef L_5_OVER
L_5_OVER
#else
	    sprintf(s, "%d", adiff);
#endif
	    s += strlen(s);
	    break;

	 case '6':
#ifdef L_6_OVER
L_6_OVER
#else
	    sprintf(s, when);
#endif
	    s += strlen(s);
	    break;

	 case '7':
#ifdef L_7_OVER
L_7_OVER
#else
	    sprintf(s, "%d", hdiff);
#endif
	    s += strlen(s);
	    break;

	 case '8':
#ifdef L_8_OVER
L_8_OVER
#else
	    sprintf(s, "%d", mdiff);
#endif
	    s += strlen(s);
	    break;

	 case '9':
#ifdef L_9_OVER
L_9_OVER
#else
	    sprintf(s, mplu);
#endif
	    s += strlen(s);
	    break;

	 case '0':
#ifdef L_0_OVER
L_0_OVER
#else
	    sprintf(s, hplu);
#endif
	    s += strlen(s);
	    break;

	 case '!':
#ifdef L_BANG_OVER
L_BANG_OVER
#else
	    sprintf(s, (tdiff >= 0 ? L_IS : L_WAS));
#endif
	    s += strlen(s);
	    break;

	 case '@':
#ifdef L_AT_OVER
L_AT_OVER
#else
	    sprintf(s, "%d%c%02d%s", chh, TIMESEP, cmin, cpm);
#endif
	    s += strlen(s);
	    break;

	 case '#':
#ifdef L_HASH_OVER
L_HASH_OVER
#else
	    sprintf(s, "%02d%c%02d", ch, TIMESEP, cmin);
#endif
	    s += strlen(s);
	    break;

         case '_': 
            if (mode != CAL_MODE && !MsgCommand)
               sprintf(s, "%s", NL);
            else
               sprintf(s, " ");
	    s += strlen(s);
	    break;

	 case QUOTE_MARKER:
	    /* Swallow any QUOTE_MARKERs which may somehow creep in... */
	    break;

	 case '"':
	    *s++ = QUOTE_MARKER;
	    has_quote = 1;
	    break;

         default:
	    *s++ = c;
      }
      if (isupper(c)) *os = UPPER(*os);
   }

/* We're outside the big while loop.  The only way to get here is for c to
   be null.  Now we go through and delete %" sequences, if it's the
   NORMAL_MODE, or retain only things within a %" sequence if it's the
   CAL_MODE. */

/* If there are NO quotes, then:  If CAL_MODE && RUN_TYPE, we don't want the
   reminder in the calendar.  Zero the output buffer and quit. */
   if (!has_quote) {
      if (mode == CAL_MODE && t->typ == RUN_TYPE) *out = 0;
      return OK;
   }

/* There ARE quotes.  If in CAL_MODE, delete everything before first quote
   and after second quote.  If in NORMAL_MODE, delete the %" sequences. */

   s = out;
   os = out;
   if (mode == NORMAL_MODE) {
      while (*s) {
         if (*s != QUOTE_MARKER) *os++ = *s;
	 s++;
      }
      *os = 0;
   } else {

/* Skip past the quote marker */
      while (*s && (*s != QUOTE_MARKER)) s++;

/* Security check... actually, *s must == QUOTE_MARKER at this point, but
   it doesn't hurt to make it a bit robust. */
      if (*s) s++;

/* Copy the output until the next QUOTE_MARKER */
      while (*s && (*s != QUOTE_MARKER)) *os++ = *s++;
      *os = 0;
   }

   return OK;
}
   

/***************************************************************/
/*                                                             */
/*  DoSubstFromString                                          */
/*                                                             */
/*  DoSubst consumes input from a parser.  This function       */
/*  consumes characters from a string.  It also provides       */
/*  default triggers and a mode of NORMAL_MODE.                */
/*                                                             */
/***************************************************************/
#ifdef HAVE_PROTOS
PUBLIC int DoSubstFromString(char *source, char *dest, int jul, int tim)
#else
int DoSubstFromString(source, dest, jul, tim)
char *source;
char *dest;
int jul;
int tim;
#endif
{
   Trigger tempTrig;
   TimeTrig tempTime;
   Parser tempP;
   int r;

   if (jul == NO_DATE) jul=JulianToday;
   if (tim == NO_TIME) tim=SystemTime(0)/60;
   CreateParser(source, &tempP);
   tempP.allownested = 0;
   tempTrig.typ = MSG_TYPE;
   tempTime.ttime = tim;
   
   r = DoSubst(&tempP, dest, &tempTrig, &tempTime, jul, NORMAL_MODE);
   DestroyParser(&tempP);
   return r;
}

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